There has been data ("GSEC GIAC Security Essential Certification Exam Preparation Course in a Book for Passing the GSEC Certified Exam - The How To Pass on Your First Try Certification Study Guide 252 p") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Fri Aug 2 19:33:24 2019, so the data displayed here has been removed .